diff --git a/Gemfile.lock b/Gemfile.lock
index 0c20b6b..6245912 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     builder (3.0.0)
     erubis (2.7.0)
     git (1.2.5)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.0)
     jeweler (1.6.4)
       bundler (~> 1.0)
@@ -47,7 +47,7 @@ GEM
     mime-types (1.17.2)
     multi_json (1.0.4)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.1)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -72,12 +72,12 @@ GEM
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)
-    sprockets (2.1.2)
+    sprockets (2.1.4)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     thor (0.14.6)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)